28719918

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 66156480

約数和(自身を除く): 37436562

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1073, 1487, 2146, 2974, 3219, 4461, 6438, 8922, 9657, 13383, 19314, 26766, 43123, 55019, 86246, 110038, 129369, 165057, 258738, 330114, 388107, 495171, 776214, 990342, 1595551, 3191102, 4786653, 9573306, 14359959, 28719918]

約数ペア:

[(1, 28719918), (2, 14359959), (3, 9573306), (6, 4786653), (9, 3191102), (18, 1595551), (29, 990342), (37, 776214), (58, 495171), (74, 388107), (87, 330114), (111, 258738), (174, 165057), (222, 129369), (261, 110038), (333, 86246), (522, 55019), (666, 43123), (1073, 26766), (1487, 19314), (2146, 13383), (2974, 9657), (3219, 8922), (4461, 6438)]